JPH0225124A - レーザダイオードを有する光送信機 - Google Patents

レーザダイオードを有する光送信機

Info

Publication number
JPH0225124A
JPH0225124A JP1129990A JP12999089A JPH0225124A JP H0225124 A JPH0225124 A JP H0225124A JP 1129990 A JP1129990 A JP 1129990A JP 12999089 A JP12999089 A JP 12999089A JP H0225124 A JPH0225124 A JP H0225124A
Authority
JP
Japan
Prior art keywords
current
laser diode
component
signal
diode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1129990A
Other languages
English (en)
Japanese (ja)
Inventor
Rupert Grunziger
ルーペルト、グルンツィンガー
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of JPH0225124A publication Critical patent/JPH0225124A/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/501Structural aspects
    • H04B10/503Laser transmitters
    • H04B10/504Laser transmitters using direct modulation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068Stabilisation of laser output parameters
    • H01S5/0683Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/06832Stabilising during amplitude modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/58Compensation for non-linear transmitter output
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2210/00Indexing scheme relating to optical transmission systems
    • H04B2210/07Monitoring an optical transmission system using a supervisory signal
    • H04B2210/075Monitoring an optical transmission system using a supervisory signal using a pilot tone

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Communication System (AREA)
JP1129990A 1988-05-26 1989-05-23 レーザダイオードを有する光送信機 Pending JPH0225124A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3817836A DE3817836A1 (de) 1988-05-26 1988-05-26 Optischer sender mit einer laserdiode
DE3817836.2 1988-05-26

Publications (1)

Publication Number Publication Date
JPH0225124A true JPH0225124A (ja) 1990-01-26

Family

ID=6355135

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1129990A Pending JPH0225124A (ja) 1988-05-26 1989-05-23 レーザダイオードを有する光送信機

Country Status (4)

Country Link
US (1) US5153765A (fr)
EP (1) EP0343725B1 (fr)
JP (1) JPH0225124A (fr)
DE (2) DE3817836A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03160021A (ja) * 1989-11-17 1991-07-10 Daicel Chem Ind Ltd ポリカーボネートの製造法
JPH07231304A (ja) * 1994-02-18 1995-08-29 Oki Electric Ind Co Ltd 光送信回路
JP2004158644A (ja) * 2002-11-06 2004-06-03 Toshiba Corp 半導体レーザの光出力安定化回路および光送信モジュール
JP2008152951A (ja) * 2006-12-14 2008-07-03 Citizen Electronics Co Ltd シートスイッチモジュール
US8063326B2 (en) 2007-08-30 2011-11-22 Fujitsu Limited Illuminating structure of key operating unit, electronic apparatus, portable apparatus, and illuminating method of key operating unit

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04192729A (ja) * 1990-11-27 1992-07-10 Fujitsu Ltd 光送信装置
GB2253962A (en) * 1991-03-21 1992-09-23 Stc Plc Optical transmitter modulation
DE4110095C2 (de) * 1991-03-27 1998-02-12 Draegerwerk Ag Verfahren zur gasspektroskopischen Messung der Konzentration eines Gasbestandteiles
US5247532A (en) * 1992-06-01 1993-09-21 Finisar Corporation Method and apparatus for stimulating a laser diode in a fiber optic transmitter
DE4316811A1 (de) * 1993-05-19 1994-11-24 Philips Patentverwaltung Optisches Übertragungssystem mit einer Laserdiode
US5448076A (en) * 1993-09-30 1995-09-05 Siemens Components, Inc. Optically-coupled differential line driver generating an optical signal having at least three states
US5448629A (en) * 1993-10-14 1995-09-05 At&T Corp. Amplitude detection scheme for optical transmitter control
US5373387A (en) * 1993-10-14 1994-12-13 At&T Corp. Method for controlling the amplitude of an optical signal
JPH07240555A (ja) * 1994-02-25 1995-09-12 Fujitsu Ltd 自動バイアス電流制御型apc回路を有する光送信器
US5394416A (en) * 1994-05-11 1995-02-28 Alcatel Network Systems, Inc. Laser modulation controller using additive and amplitude modulation control tones
US5513029A (en) * 1994-06-16 1996-04-30 Northern Telecom Limited Method and apparatus for monitoring performance of optical transmission systems
US5754577A (en) * 1996-07-23 1998-05-19 Broadband Communications Products, Inc. Compensation for variations in temperature and aging of laser diode by use of small signal, square-law portion of transfer function of diode detection circuit
US5850409A (en) * 1997-03-21 1998-12-15 Maxim Integrated Products, Inc. Laser modulation control method and apparatus
US6006172A (en) * 1997-06-24 1999-12-21 Cypress Semiconductor Corp. Method and software for optimizing an interface between components
DE19818088B4 (de) * 1997-09-26 2005-09-01 Fujitsu Ltd., Kawasaki Optische Kommunikationseinheit
JP3587971B2 (ja) 1997-09-26 2004-11-10 富士通株式会社 光通信ユニット
EP1204227B1 (fr) * 1999-08-13 2006-12-27 Fujitsu Limited Systeme de communication optique et terminal
DE19948689A1 (de) 1999-09-30 2001-04-19 Infineon Technologies Ag Regelvorrichtung für Laserdioden
KR100693081B1 (ko) * 2000-02-09 2007-03-12 코닌클리케 필립스 일렉트로닉스 엔.브이. 방사원용 제어회로와 방사원을 제어하는 방법
US6917639B2 (en) * 2001-08-09 2005-07-12 Ricoh Company, Ltd. Laser driver circuit
DE60128350T2 (de) * 2001-09-03 2008-01-10 Avago Technologies Fiber Ip (Singapore) Pte. Ltd. Steuerschaltung zur Kontrolle des Extinktionsverhältnis eines Halbleiterlasers
US6760353B2 (en) * 2002-07-30 2004-07-06 Broadcom Corporation Jitter suppression techniques for laser driver circuits
CA2475850A1 (fr) 2003-01-08 2003-07-29 Ceyx Technologies, Inc. Appareil et procede pour mesurer des signaux laser dynamiques
EP1761979B1 (fr) * 2004-04-21 2010-11-24 Tecey Software Development KG, LLC Procede et appareil de correction de performances d'un laser ameliorees par le traitement d'un signal numerique
US20070160374A1 (en) * 2005-12-20 2007-07-12 Fujitsu Limited Optical transmitter and method for controlling optical transmitter

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1565764A (en) * 1978-02-02 1980-04-23 Standard Telephones Cables Ltd Optical fibre digital transmission systems
DE2847182C3 (de) * 1978-10-30 1986-07-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Modulationsstromregelung von Laserdioden
US4305047A (en) * 1979-10-09 1981-12-08 Digital Communications Corp. Feedback circuit for controlling the peak optical output power of an injection laser
DE3137491A1 (de) * 1981-09-21 1983-04-14 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur herstellung eines abgedichteten scheinwerfers, insbesondere fuer kraftfahrzeuge
FR2526554B1 (fr) * 1982-05-06 1985-06-07 Telecommunications Sa Procede de regulation de moyens emetteurs d'informations lumineuses et le systeme de mise en oeuvre
DE3508034A1 (de) * 1985-03-07 1986-09-11 Ant Nachrichtentech Schaltungsanordnung zur ansteuerung eines halbleiterlasers
US4733398A (en) * 1985-09-30 1988-03-22 Kabushiki Kaisha Tohsiba Apparatus for stabilizing the optical output power of a semiconductor laser
US4677632A (en) * 1985-10-28 1987-06-30 American Telephone And Telegraph Company, At&T Bell Laboratories Coupled loop controller for a laser transmitter
US4757193A (en) * 1986-12-22 1988-07-12 Gte Communication Systems Corporation Laser DC bias controller
DE3706572A1 (de) * 1987-02-28 1988-09-08 Philips Patentverwaltung Regelung von laserdioden

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03160021A (ja) * 1989-11-17 1991-07-10 Daicel Chem Ind Ltd ポリカーボネートの製造法
JPH07231304A (ja) * 1994-02-18 1995-08-29 Oki Electric Ind Co Ltd 光送信回路
JP2004158644A (ja) * 2002-11-06 2004-06-03 Toshiba Corp 半導体レーザの光出力安定化回路および光送信モジュール
JP2008152951A (ja) * 2006-12-14 2008-07-03 Citizen Electronics Co Ltd シートスイッチモジュール
US8063326B2 (en) 2007-08-30 2011-11-22 Fujitsu Limited Illuminating structure of key operating unit, electronic apparatus, portable apparatus, and illuminating method of key operating unit

Also Published As

Publication number Publication date
DE58908759D1 (de) 1995-01-26
US5153765A (en) 1992-10-06
EP0343725A3 (fr) 1991-11-27
EP0343725B1 (fr) 1994-12-14
DE3817836A1 (de) 1989-11-30
EP0343725A2 (fr) 1989-11-29

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